Finding the Fourth Proportional to 417,312.94, 625,134.57 and 192,365.68
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Solution
The fourth proportional to 417,312.94, 625,134.57 and 192,365.68 is: 288,163.69
Step by Step Solution
- Step 1: Write the proportion equation
417,312.94 : 625,134.57 = 192,365.68 : x - Step 2: Convert to fraction form
417,312.94/625,134.57 = 192,365.68/x - Step 3: Cross multiply
417,312.94x = 625,134.57 × 192,365.68 - Step 4: Simplify right side
417,312.94x = 120,254,436,649.56 - Step 5: Solve for x
x = 120,254,436,649.56/417,312.94 - Step 6: Final answer
x = 288,163.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.